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  <title>The ImagickPixel constructor</title>
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  <div id="layout-content"><div id="imagickpixel.construct" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ImagickPixel::__construct</h1>
  <p class="verinfo">(PECL imagick 2, PECL imagick 3)</p><p class="refpurpose"><span class="refname">ImagickPixel::__construct</span> &mdash; <span class="dc-title">The ImagickPixel constructor</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-imagickpixel.construct-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ImagickPixel::__construct</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$color</code><span class="initializer"> = ?</span></span>)</div>

  <div class="warning"><strong class="warning">警告</strong><p class="simpara">本函数还未编写文档，仅有参数列表。</p></div>
  <p class="para">
   Constructs an ImagickPixel object. If a color is specified, the object is
   constructed and then initialised with that color before being returned.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-imagickpixel.construct-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">color</code></dt>

     <dd>

      <p class="para">
       The optional color string to use as the initial value of this object.
      </p>
     </dd>

    
   </dl>

  </p>

 </div>

 <div class="refsect1 returnvalues" id="refsect1-imagickpixel.construct-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an ImagickPixel object on success, throwing ImagickPixelException on
   failure.
  </p>
 </div>




 <div class="refsect1 examples" id="refsect1-imagickpixel.construct-examples">
  <h3 class="title">范例</h3>
  <p class="para">
    <div class="example" id="example-2966">
      <p><strong>示例 #1  <span class="function"><strong>ImagickPixel::construct()</strong></span></strong></p>
      <div class="example-contents">
      <div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">construct</span><span style="color: #007700">()&nbsp;{<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$columns&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">4</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$exampleColors&nbsp;</span><span style="color: #007700">=&nbsp;array(<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"rgba(100%,&nbsp;0%,&nbsp;0%,&nbsp;0.5)"</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"hsb(33.3333%,&nbsp;100%,&nbsp;&nbsp;75%)"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;medium&nbsp;green<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"hsl(120,&nbsp;255,&nbsp;&nbsp;&nbsp;191.25)"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//medium&nbsp;green<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"graya(50%,&nbsp;0.5)"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;semi-transparent&nbsp;mid&nbsp;gray<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"LightCoral"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"none"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//"cmyk(0.9,&nbsp;0.48,&nbsp;0.83,&nbsp;0.50)",<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"#f00"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;#rgb<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"#ff0000"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;#rrggbb<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"#ff0000ff"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;#rrggbbaa<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"#ffff00000000"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;#rrrrggggbbbb<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"#ffff00000000ffff"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;#rrrrggggbbbbaaaa<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"rgb(255,&nbsp;0,&nbsp;0)"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;an&nbsp;integer&nbsp;in&nbsp;the&nbsp;range&nbsp;0—255&nbsp;for&nbsp;each&nbsp;component<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"rgb(100.0%,&nbsp;0.0%,&nbsp;0.0%)"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;a&nbsp;float&nbsp;in&nbsp;the&nbsp;range&nbsp;0—100%&nbsp;for&nbsp;each&nbsp;component<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"rgb(255,&nbsp;0,&nbsp;0)"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;range&nbsp;0&nbsp;-&nbsp;255<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"rgba(255,&nbsp;0,&nbsp;0,&nbsp;1.0)"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;the&nbsp;same,&nbsp;with&nbsp;an&nbsp;explicit&nbsp;alpha&nbsp;value<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"rgb(100%,&nbsp;0%,&nbsp;0%)"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;range&nbsp;0.0%&nbsp;-&nbsp;100.0%<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">"rgba(100%,&nbsp;0%,&nbsp;0%,&nbsp;1.0)"</span><span style="color: #007700">,&nbsp;</span><span style="color: #FF8000">//&nbsp;&nbsp;the&nbsp;same,&nbsp;with&nbsp;an&nbsp;explicit&nbsp;alpha&nbsp;value<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$draw&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;\</span><span style="color: #0000BB">ImagickDraw</span><span style="color: #007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$count&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$black&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;\</span><span style="color: #0000BB">ImagickPixel</span><span style="color: #007700">(</span><span style="color: #DD0000">'rgb(0,&nbsp;0,&nbsp;0)'</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;foreach&nbsp;(</span><span style="color: #0000BB">$exampleColors&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$exampleColor</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$color&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;\</span><span style="color: #0000BB">ImagickPixel</span><span style="color: #007700">(</span><span style="color: #0000BB">$exampleColor</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$draw</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setstrokewidth</span><span style="color: #007700">(</span><span style="color: #0000BB">1.0</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$draw</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setStrokeColor</span><span style="color: #007700">(</span><span style="color: #0000BB">$black</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$draw</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setFillColor</span><span style="color: #007700">(</span><span style="color: #0000BB">$color</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$offsetX&nbsp;</span><span style="color: #007700">=&nbsp;(</span><span style="color: #0000BB">$count&nbsp;</span><span style="color: #007700">%&nbsp;</span><span style="color: #0000BB">$columns</span><span style="color: #007700">)&nbsp;*&nbsp;</span><span style="color: #0000BB">50&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">5</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$offsetY&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">intval</span><span style="color: #007700">(</span><span style="color: #0000BB">$count&nbsp;</span><span style="color: #007700">/&nbsp;</span><span style="color: #0000BB">$columns</span><span style="color: #007700">)&nbsp;*&nbsp;</span><span style="color: #0000BB">50&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">5</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$draw</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">rectangle</span><span style="color: #007700">(</span><span style="color: #0000BB">0&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">$offsetX</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">$offsetY</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">40&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">$offsetX</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">40&nbsp;</span><span style="color: #007700">+&nbsp;</span><span style="color: #0000BB">$offsetY</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$count</span><span style="color: #007700">++;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$image&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;\</span><span style="color: #0000BB">Imagick</span><span style="color: #007700">();<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$image</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">newImage</span><span style="color: #007700">(</span><span style="color: #0000BB">350</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">350</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"blue"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$image</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setImageFormat</span><span style="color: #007700">(</span><span style="color: #DD0000">"png"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$image</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">drawImage</span><span style="color: #007700">(</span><span style="color: #0000BB">$draw</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-Type:&nbsp;image/png"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">$image</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getImageBlob</span><span style="color: #007700">();<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
      </div>

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